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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEU711^2 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n006.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:30:54 AM UTC 2026

% Result   : Theorem 0.23s 0.30s
% Output   : Refutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :   31
% Syntax   : Number of formulae    :  209 (  67 unt;   0 typ;  27 def)
%            Number of atoms       : 1363 ( 271 equ;   0 cnn)
%            Maximal formula atoms :    9 (   6 avg)
%            Number of connectives : 1619 ( 186   ~; 281   |;  15   &; 877   @)
%                                         (  19 <=>; 162  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   50 (  46 usr;  37 con; 0-4 aty)
%                                         (  79  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  241 (   0 sgn 146   !;   6   ?; 241   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    in: $i > $i > $o ).

thf(func_def_1,type,
    powerset: $i > $i ).

thf(func_def_2,type,
    powersetI: $o ).

thf(func_def_4,type,
    powersetE: $o ).

thf(func_def_5,type,
    binunion: $i > $i > $i ).

thf(func_def_6,type,
    binunionEcases: $o ).

thf(func_def_7,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_8,type,
    vIMP: $o > $o > $o ).

thf(func_def_9,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_10,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_11,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_12,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_13,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_19,type,
    sF3: $o ).

thf(func_def_20,type,
    sF4: $o ).

thf(func_def_22,type,
    sF6: $o ).

thf(func_def_24,type,
    sF8: $o ).

thf(func_def_25,type,
    sF9: $o ).

thf(func_def_26,type,
    sF10: $o ).

thf(func_def_29,type,
    sK13: $o ).

thf(func_def_31,type,
    sK15: $i > $i > $i ).

thf(f1,axiom,
    ! [X1: $i,X0: $i] :
      ( ( ! [X2: $i] :
            ( ( in @ X2 @ X1 )
           => ( in @ X2 @ X0 ) )
       => ( in @ X1 @ ( powerset @ X0 ) ) )
      = powersetI ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',powersetI) ).

thf(f2,axiom,
    ( powersetE
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ( ( in @ X2 @ X1 )
           => ( in @ X2 @ X0 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',powersetE) ).

thf(f3,axiom,
    ! [X2: $i,X3: $o,X0: $i,X1: $i] :
      ( ( ( in @ X2 @ ( binunion @ X0 @ X1 ) )
       => ( ( ( in @ X2 @ X0 )
           => X3 )
         => ( ( ( in @ X2 @ X1 )
             => X3 )
           => X3 ) ) )
      = binunionEcases ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',binunionEcases) ).

thf(f4,conjecture,
    ( powersetI
   => ( powersetE
     => ( binunionEcases
       => ! [X0: $i,X1: $i] :
            ( ( in @ X1 @ ( powerset @ X0 ) )
           => ! [X2: $i] :
                ( ( in @ X2 @ ( powerset @ X0 ) )
               => ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',binunionT_lem) ).

thf(f5,negated_conjecture,
    ~ ( powersetI
     => ( powersetE
       => ( binunionEcases
         => ! [X0: $i,X1: $i] :
              ( ( in @ X1 @ ( powerset @ X0 ) )
             => ! [X2: $i] :
                  ( ( in @ X2 @ ( powerset @ X0 ) )
                 => ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f4]) ).

thf(f6,plain,
    ! [X0: $i,X1: $i] :
      ( ( ! [X2: $i] :
            ( ( in @ X2 @ X0 )
           => ( in @ X2 @ X1 ) )
       => ( in @ X0 @ ( powerset @ X1 ) ) )
      = powersetI ),
    inference(rectify,[],[f1]) ).

thf(f7,plain,
    ( powersetI
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                   => ( in @ Y2 @ Y0 ) ) )
             => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) ) ),
    inference(fool_elimination,[],[f6]) ).

thf(f8,plain,
    ! [X0: $i,X1: $o,X2: $i,X3: $i] :
      ( ( ( in @ X0 @ ( binunion @ X2 @ X3 ) )
       => ( ( ( in @ X0 @ X2 )
           => X1 )
         => ( ( ( in @ X0 @ X3 )
             => X1 )
           => X1 ) ) )
      = binunionEcases ),
    inference(rectify,[],[f3]) ).

thf(f9,plain,
    ( binunionEcases
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $o
              @ ^ [Y2: $o] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                     => ( ( ( in @ Y3 @ Y1 )
                         => Y2 )
                       => ( ( ( in @ Y3 @ Y0 )
                           => Y2 )
                         => Y2 ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f8]) ).

thf(f10,plain,
    ~ ( powersetI
     => ( powersetE
       => ( binunionEcases
         => ! [X0: $i,X1: $i] :
              ( ( in @ X1 @ ( powerset @ X0 ) )
             => ! [X2: $i] :
                  ( ( in @ X2 @ ( powerset @ X0 ) )
                 => ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) ) ) ) ) ) ),
    inference(rectify,[],[f5]) ).

thf(f11,plain,
    ~ ( ( powersetI = $true )
     => ( ( powersetE = $true )
       => ( ( binunionEcases = $true )
         => ! [X1: $i,X0: $i] :
              ( ( ( in @ X1 @ ( powerset @ X0 ) )
                = $true )
             => ! [X2: $i] :
                  ( ( ( in @ X2 @ ( powerset @ X0 ) )
                    = $true )
                 => ( ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) )
                    = $true ) ) ) ) ) ),
    inference(fool_elimination,[],[f10]) ).

thf(f12,plain,
    ( powersetE
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( in @ X1 @ ( powerset @ X0 ) )
         => ( ( in @ X2 @ X1 )
           => ( in @ X2 @ X0 ) ) ) ) ),
    inference(rectify,[],[f2]) ).

thf(f13,plain,
    ( powersetE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y2 ) )
                 => ( ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ Y2 ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f12]) ).

thf(f14,plain,
    ( ? [X0: $i,X1: $i] :
        ( ? [X2: $i] :
            ( ( ( in @ X2 @ ( powerset @ X0 ) )
              = $true )
            & ( ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) )
             != $true ) )
        & ( ( in @ X1 @ ( powerset @ X0 ) )
          = $true ) )
    & ( binunionEcases = $true )
    & ( powersetE = $true )
    & ( powersetI = $true ) ),
    inference(ennf_transformation,[],[f11]) ).

thf(f15,plain,
    ( ( binunionEcases = $true )
    & ( powersetE = $true )
    & ( powersetI = $true )
    & ? [X0: $i,X1: $i] :
        ( ? [X2: $i] :
            ( ( ( in @ X2 @ ( powerset @ X0 ) )
              = $true )
            & ( ( in @ ( binunion @ X1 @ X2 ) @ ( powerset @ X0 ) )
             != $true ) )
        & ( ( in @ X1 @ ( powerset @ X0 ) )
          = $true ) ) ),
    inference(flattening,[],[f14]) ).

thf(f16,plain,
    ( ( binunionEcases = $true )
    & ( powersetE = $true )
    & ( powersetI = $true )
    & ( $true
      = ( in @ sK2 @ ( powerset @ sK0 ) ) )
    & ( $true
     != ( in @ ( binunion @ sK1 @ sK2 ) @ ( powerset @ sK0 ) ) )
    & ( $true
      = ( in @ sK1 @ ( powerset @ sK0 ) ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2)],[f15]) ).

thf(f17,plain,
    ( binunionEcases
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $o
              @ ^ [Y2: $o] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                     => ( ( ( in @ Y3 @ Y1 )
                         => Y2 )
                       => ( ( ( in @ Y3 @ Y0 )
                           => Y2 )
                         => Y2 ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f9]) ).

thf(f18,plain,
    ( powersetE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y2 ) )
                 => ( ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ Y2 ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f13]) ).

thf(f19,plain,
    ( $true
    = ( in @ sK1 @ ( powerset @ sK0 ) ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f20,plain,
    ( $true
   != ( in @ ( binunion @ sK1 @ sK2 ) @ ( powerset @ sK0 ) ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f21,plain,
    ( $true
    = ( in @ sK2 @ ( powerset @ sK0 ) ) ),
    inference(cnf_transformation,[],[f16]) ).

thf(f22,plain,
    powersetI = $true,
    inference(cnf_transformation,[],[f16]) ).

thf(f23,plain,
    powersetE = $true,
    inference(cnf_transformation,[],[f16]) ).

thf(f24,plain,
    binunionEcases = $true,
    inference(cnf_transformation,[],[f16]) ).

thf(f25,plain,
    ( powersetI
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                   => ( in @ Y2 @ Y0 ) ) )
             => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) ) ),
    inference(cnf_transformation,[],[f7]) ).

thf(f28,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $o
              @ ^ [Y2: $o] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                     => ( ( ( in @ Y3 @ Y1 )
                         => Y2 )
                       => ( ( ( in @ Y3 @ Y0 )
                           => Y2 )
                         => Y2 ) ) ) ) ) ) ) ),
    inference(definition_unfolding,[],[f17,f24]) ).

thf(f29,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y2 ) )
                 => ( ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ Y2 ) ) ) ) ) ) ),
    inference(definition_unfolding,[],[f18,f23]) ).

thf(f30,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                   => ( in @ Y2 @ Y0 ) ) )
             => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) ) ),
    inference(definition_unfolding,[],[f25,f22]) ).

thf(f31,definition,
    ( sF3
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $o
              @ ^ [Y2: $o] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                     => ( ( ( in @ Y3 @ Y1 )
                         => Y2 )
                       => ( ( ( in @ Y3 @ Y0 )
                           => Y2 )
                         => Y2 ) ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sF3])],[function_definition]) ).

thf(f32,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $o
              @ ^ [Y2: $o] :
                  ( !! @ $i
                  @ ^ [Y3: $i] :
                      ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                     => ( ( ( in @ Y3 @ Y1 )
                         => Y2 )
                       => ( ( ( in @ Y3 @ Y0 )
                           => Y2 )
                         => Y2 ) ) ) ) ) ) )
    = sF3 ),
    inference(reorient_equations,[],[f31]) ).

thf(f33,plain,
    $true = sF3,
    inference(definition_folding,[],[f28,f32]) ).

thf(f34,definition,
    ( sF4
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y2 ) )
                 => ( ( in @ Y0 @ Y1 )
                   => ( in @ Y0 @ Y2 ) ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sF4])],[function_definition]) ).

thf(f35,plain,
    $true = sF4,
    inference(definition_folding,[],[f29,f34]) ).

thf(f36,definition,
    ( sF5
    = ( powerset @ sK0 ) ),
    introduced(definition,[new_symbols(definition,[sF5])],[function_definition]) ).

thf(f37,plain,
    ( ( powerset @ sK0 )
    = sF5 ),
    inference(reorient_equations,[],[f36]) ).

thf(f38,definition,
    ( sF6
    = ( in @ sK2 @ sF5 ) ),
    introduced(definition,[new_symbols(definition,[sF6])],[function_definition]) ).

thf(f39,plain,
    $true = sF6,
    inference(definition_folding,[],[f21,f38,f37]) ).

thf(f40,definition,
    ( sF7
    = ( binunion @ sK1 @ sK2 ) ),
    introduced(definition,[new_symbols(definition,[sF7])],[function_definition]) ).

thf(f41,plain,
    ( ( binunion @ sK1 @ sK2 )
    = sF7 ),
    inference(reorient_equations,[],[f40]) ).

thf(f42,definition,
    ( sF8
    = ( in @ sF7 @ sF5 ) ),
    introduced(definition,[new_symbols(definition,[sF8])],[function_definition]) ).

thf(f43,plain,
    ( ( in @ sF7 @ sF5 )
    = sF8 ),
    inference(reorient_equations,[],[f42]) ).

thf(f44,plain,
    $true != sF8,
    inference(definition_folding,[],[f20,f43,f37,f41]) ).

thf(f45,definition,
    ( sF9
    = ( in @ sK1 @ sF5 ) ),
    introduced(definition,[new_symbols(definition,[sF9])],[function_definition]) ).

thf(f46,plain,
    ( ( in @ sK1 @ sF5 )
    = sF9 ),
    inference(reorient_equations,[],[f45]) ).

thf(f47,plain,
    $true = sF9,
    inference(definition_folding,[],[f19,f46,f37]) ).

thf(f48,definition,
    ( sF10
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                   => ( in @ Y2 @ Y0 ) ) )
             => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[sF10])],[function_definition]) ).

thf(f49,plain,
    $true = sF10,
    inference(definition_folding,[],[f30,f48]) ).

thf(f51,plain,
    ( ( ( in @ sF7 @ sF5 )
      = $false )
    | ( $true = sF8 ) ),
    inference(iff_proxy_clausification,[],[f43]) ).

thf(f53,plain,
    ( ( $true
      = ( in @ sK2 @ sF5 ) )
    | ( sF6 = $false ) ),
    inference(iff_proxy_clausification,[],[f38]) ).

thf(f54,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $o
                @ ^ [Y2: $o] :
                    ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                       => ( ( ( in @ Y3 @ Y1 )
                           => Y2 )
                         => ( ( ( in @ Y3 @ Y0 )
                             => Y2 )
                           => Y2 ) ) ) ) ) ) ) )
    | ( sF3 = $false ) ),
    inference(iff_proxy_clausification,[],[f32]) ).

thf(f72,plain,
    ! [X1: $i] :
      ( ( ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( !! @ $o
                  @ ^ [Y2: $o] :
                      ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ ( binunion @ Y1 @ Y0 ) )
                         => ( ( ( in @ Y3 @ Y1 )
                             => Y2 )
                           => ( ( ( in @ Y3 @ Y0 )
                               => Y2 )
                             => Y2 ) ) ) ) ) )
          @ X1 )
        = $true )
      | ( sF3 = $false ) ),
    inference(pi_proxy_clausification,[],[f54]) ).

thf(f73,plain,
    ! [X1: $i] :
      ( ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( !! @ $o
              @ ^ [Y1: $o] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ ( binunion @ Y0 @ X1 ) )
                     => ( ( ( in @ Y2 @ Y0 )
                         => Y1 )
                       => ( ( ( in @ Y2 @ X1 )
                           => Y1 )
                         => Y1 ) ) ) ) ) ) )
      | ( sF3 = $false ) ),
    inference(beta-eta_normalization,[],[f72]) ).

thf(f74,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF3 = $false )
      | ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $o
              @ ^ [Y1: $o] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ ( binunion @ Y0 @ X1 ) )
                     => ( ( ( in @ Y2 @ Y0 )
                         => Y1 )
                       => ( ( ( in @ Y2 @ X1 )
                           => Y1 )
                         => Y1 ) ) ) ) )
          @ X2 ) ) ),
    inference(pi_proxy_clausification,[],[f73]) ).

thf(f75,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF3 = $false )
      | ( $true
        = ( !! @ $o
          @ ^ [Y0: $o] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( binunion @ X2 @ X1 ) )
                 => ( ( ( in @ Y1 @ X2 )
                     => Y0 )
                   => ( ( ( in @ Y1 @ X1 )
                       => Y0 )
                     => Y0 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f74]) ).

thf(f76,plain,
    ! [X2: $i,X3: $o,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $o] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( binunion @ X2 @ X1 ) )
                 => ( ( ( in @ Y1 @ X2 )
                     => Y0 )
                   => ( ( ( in @ Y1 @ X1 )
                       => Y0 )
                     => Y0 ) ) ) )
          @ X3 ) )
      | ( sF3 = $false ) ),
    inference(pi_proxy_clausification,[],[f75]) ).

thf(f77,plain,
    ! [X2: $i,X3: $o,X1: $i] :
      ( ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( binunion @ X2 @ X1 ) )
             => ( ( ( in @ Y0 @ X2 )
                 => X3 )
               => ( ( ( in @ Y0 @ X1 )
                   => X3 )
                 => X3 ) ) ) ) )
      | ( sF3 = $false ) ),
    inference(beta-eta_normalization,[],[f76]) ).

thf(f78,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ ( binunion @ X2 @ X1 ) )
             => ( ( ( in @ Y0 @ X2 )
                 => X3 )
               => ( ( ( in @ Y0 @ X1 )
                   => X3 )
                 => X3 ) ) )
          @ X4 ) )
      | ( sF3 = $false ) ),
    inference(pi_proxy_clausification,[],[f77]) ).

thf(f79,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( $true
        = ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
         => ( ( ( in @ X4 @ X2 )
             => X3 )
           => ( ( ( in @ X4 @ X1 )
               => X3 )
             => X3 ) ) ) )
      | ( sF3 = $false ) ),
    inference(beta-eta_normalization,[],[f78]) ).

thf(f80,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
        = $false )
      | ( sF3 = $false )
      | ( $true
        = ( ( ( in @ X4 @ X2 )
           => X3 )
         => ( ( ( in @ X4 @ X1 )
             => X3 )
           => X3 ) ) ) ),
    inference(imp_proxy_clausification,[],[f79]) ).

thf(f81,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( sF3 = $false )
      | ( $true
        = ( ( ( in @ X4 @ X1 )
           => X3 )
         => X3 ) )
      | ( $false
        = ( ( in @ X4 @ X2 )
         => X3 ) )
      | ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f80]) ).

thf(f82,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( ( ( in @ X4 @ X1 )
         => X3 )
        = $false )
      | ( sF3 = $false )
      | ( $false
        = ( ( in @ X4 @ X2 )
         => X3 ) )
      | ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
        = $false )
      | ( $true = X3 ) ),
    inference(imp_proxy_clausification,[],[f81]) ).

thf(f84,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( $true = X3 )
      | ( sF3 = $false )
      | ( $true
        = ( in @ X4 @ X1 ) )
      | ( $false
        = ( ( in @ X4 @ X2 )
         => X3 ) )
      | ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f82]) ).

thf(f86,plain,
    ! [X2: $i,X3: $o,X1: $i,X4: $i] :
      ( ( $true = X3 )
      | ( $true
        = ( in @ X4 @ X2 ) )
      | ( sF3 = $false )
      | ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
        = $false )
      | ( $true
        = ( in @ X4 @ X1 ) ) ),
    inference(imp_proxy_clausification,[],[f84]) ).

thf(f91,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y1 )
                     => ( in @ Y2 @ Y0 ) ) )
               => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) ) )
    | ( sF10 = $false ) ),
    inference(iff_proxy_clausification,[],[f48]) ).

thf(f92,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y1 )
                       => ( in @ Y2 @ Y0 ) ) )
                 => ( in @ Y1 @ ( powerset @ Y0 ) ) ) )
          @ X1 ) )
      | ( sF10 = $false ) ),
    inference(pi_proxy_clausification,[],[f91]) ).

thf(f93,plain,
    ! [X1: $i] :
      ( ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( in @ Y1 @ X1 ) ) )
             => ( in @ Y0 @ ( powerset @ X1 ) ) ) )
        = $true )
      | ( sF10 = $false ) ),
    inference(beta-eta_normalization,[],[f92]) ).

thf(f94,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( in @ Y1 @ X1 ) ) )
             => ( in @ Y0 @ ( powerset @ X1 ) ) )
          @ X2 ) )
      | ( sF10 = $false ) ),
    inference(pi_proxy_clausification,[],[f93]) ).

thf(f95,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( in @ Y0 @ X1 ) ) )
         => ( in @ X2 @ ( powerset @ X1 ) ) ) )
      | ( sF10 = $false ) ),
    inference(beta-eta_normalization,[],[f94]) ).

thf(f96,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( in @ Y0 @ X1 ) ) )
        = $false )
      | ( sF10 = $false )
      | ( $true
        = ( in @ X2 @ ( powerset @ X1 ) ) ) ),
    inference(imp_proxy_clausification,[],[f95]) ).

thf(f97,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF10 = $false )
      | ( $false
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( in @ Y0 @ X1 ) )
          @ ( sK15 @ X1 @ X2 ) ) )
      | ( $true
        = ( in @ X2 @ ( powerset @ X1 ) ) ) ),
    inference(sigma_proxy_clausification,[],[f96]) ).

thf(f98,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( in @ X2 @ ( powerset @ X1 ) ) )
      | ( ( ( in @ ( sK15 @ X1 @ X2 ) @ X2 )
         => ( in @ ( sK15 @ X1 @ X2 ) @ X1 ) )
        = $false )
      | ( sF10 = $false ) ),
    inference(beta-eta_normalization,[],[f97]) ).

thf(f99,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF10 = $false )
      | ( ( in @ ( sK15 @ X1 @ X2 ) @ X1 )
        = $false )
      | ( $true
        = ( in @ X2 @ ( powerset @ X1 ) ) ) ),
    inference(imp_proxy_clausification,[],[f98]) ).

thf(f100,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF10 = $false )
      | ( $true
        = ( in @ X2 @ ( powerset @ X1 ) ) )
      | ( $true
        = ( in @ ( sK15 @ X1 @ X2 ) @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f98]) ).

thf(f110,plain,
    ( ( $true
      = ( in @ sK1 @ sF5 ) )
    | ( $false = sF9 ) ),
    inference(iff_proxy_clausification,[],[f46]) ).

thf(f113,plain,
    ( ( sF4 = $false )
    | ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y1 @ ( powerset @ Y2 ) )
                   => ( ( in @ Y0 @ Y1 )
                     => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ),
    inference(iff_proxy_clausification,[],[f34]) ).

thf(f114,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y1 @ ( powerset @ Y2 ) )
                     => ( ( in @ Y0 @ Y1 )
                       => ( in @ Y0 @ Y2 ) ) ) ) )
          @ X1 ) )
      | ( sF4 = $false ) ),
    inference(pi_proxy_clausification,[],[f113]) ).

thf(f115,plain,
    ! [X1: $i] :
      ( ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y0 @ ( powerset @ Y1 ) )
                 => ( ( in @ X1 @ Y0 )
                   => ( in @ X1 @ Y1 ) ) ) ) ) )
      | ( sF4 = $false ) ),
    inference(beta-eta_normalization,[],[f114]) ).

thf(f116,plain,
    ! [X2: $i,X1: $i] :
      ( ( sF4 = $false )
      | ( $true
        = ( ^ [Y0: $i] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y0 @ ( powerset @ Y1 ) )
                 => ( ( in @ X1 @ Y0 )
                   => ( in @ X1 @ Y1 ) ) ) )
          @ X2 ) ) ),
    inference(pi_proxy_clausification,[],[f115]) ).

thf(f117,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ X2 @ ( powerset @ Y0 ) )
             => ( ( in @ X1 @ X2 )
               => ( in @ X1 @ Y0 ) ) ) ) )
      | ( sF4 = $false ) ),
    inference(beta-eta_normalization,[],[f116]) ).

thf(f118,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ X2 @ ( powerset @ Y0 ) )
             => ( ( in @ X1 @ X2 )
               => ( in @ X1 @ Y0 ) ) )
          @ X3 ) )
      | ( sF4 = $false ) ),
    inference(pi_proxy_clausification,[],[f117]) ).

thf(f119,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $true
        = ( ( in @ X2 @ ( powerset @ X3 ) )
         => ( ( in @ X1 @ X2 )
           => ( in @ X1 @ X3 ) ) ) )
      | ( sF4 = $false ) ),
    inference(beta-eta_normalization,[],[f118]) ).

thf(f120,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $true
        = ( ( in @ X1 @ X2 )
         => ( in @ X1 @ X3 ) ) )
      | ( sF4 = $false )
      | ( ( in @ X2 @ ( powerset @ X3 ) )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f119]) ).

thf(f121,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( ( in @ X2 @ ( powerset @ X3 ) )
        = $false )
      | ( $true
        = ( in @ X1 @ X3 ) )
      | ( sF4 = $false )
      | ( ( in @ X1 @ X2 )
        = $false ) ),
    inference(imp_proxy_clausification,[],[f120]) ).

thf(f133,definition,
    ( spl21_1
  <=> ( $true = sF8 ) ),
    introduced(definition,[new_symbols(definition,[spl21_1])],[avatar_definition]) ).

thf(f134,plain,
    ( ( $true != sF8 )
    | spl21_1 ),
    inference(avatar_component_clause,[],[f133]) ).

thf(f137,definition,
    ( spl21_2
  <=> ( ( in @ sF7 @ sF5 )
      = $false ) ),
    introduced(definition,[new_symbols(definition,[spl21_2])],[avatar_definition]) ).

thf(f139,plain,
    ( ( ( in @ sF7 @ sF5 )
      = $false )
    | ~ spl21_2 ),
    inference(avatar_component_clause,[],[f137]) ).

thf(f140,plain,
    ( spl21_1
    | spl21_2 ),
    inference(avatar_split_clause,[],[f51,f137,f133]) ).

thf(f151,definition,
    ( spl21_5
  <=> ( $true
      = ( in @ sK2 @ sF5 ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_5])],[avatar_definition]) ).

thf(f153,plain,
    ( ( $true
      = ( in @ sK2 @ sF5 ) )
    | ~ spl21_5 ),
    inference(avatar_component_clause,[],[f151]) ).

thf(f155,definition,
    ( spl21_6
  <=> ( sF6 = $false ) ),
    introduced(definition,[new_symbols(definition,[spl21_6])],[avatar_definition]) ).

thf(f157,plain,
    ( ( sF6 = $false )
    | ~ spl21_6 ),
    inference(avatar_component_clause,[],[f155]) ).

thf(f158,plain,
    ( spl21_5
    | spl21_6 ),
    inference(avatar_split_clause,[],[f53,f155,f151]) ).

thf(f164,definition,
    ( spl21_8
  <=> ( $true = sF6 ) ),
    introduced(definition,[new_symbols(definition,[spl21_8])],[avatar_definition]) ).

thf(f166,plain,
    ( ( $true = sF6 )
    | ~ spl21_8 ),
    inference(avatar_component_clause,[],[f164]) ).

thf(f169,definition,
    ( spl21_9
  <=> ( $true = sF3 ) ),
    introduced(definition,[new_symbols(definition,[spl21_9])],[avatar_definition]) ).

thf(f171,plain,
    ( ( $true = sF3 )
    | ~ spl21_9 ),
    inference(avatar_component_clause,[],[f169]) ).

thf(f197,definition,
    ( spl21_15
  <=> ! [X2: $i,X1: $i,X4: $i] :
        ( ( $true
          = ( in @ X4 @ X2 ) )
        | ( $true
          = ( in @ X4 @ X1 ) )
        | ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
          = $false ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_15])],[avatar_definition]) ).

thf(f198,plain,
    ( ! [X2: $i,X1: $i,X4: $i] :
        ( ( ( in @ X4 @ ( binunion @ X2 @ X1 ) )
          = $false )
        | ( $true
          = ( in @ X4 @ X1 ) )
        | ( $true
          = ( in @ X4 @ X2 ) ) )
    | ~ spl21_15 ),
    inference(avatar_component_clause,[],[f197]) ).

thf(f200,definition,
    ( spl21_16
  <=> ! [X3: $o] : ( $true = X3 ) ),
    introduced(definition,[new_symbols(definition,[spl21_16])],[avatar_definition]) ).

thf(f201,plain,
    ( ! [X3: $o] : ( $true = X3 )
    | ~ spl21_16 ),
    inference(avatar_component_clause,[],[f200]) ).

thf(f203,definition,
    ( spl21_17
  <=> ( sF3 = $false ) ),
    introduced(definition,[new_symbols(definition,[spl21_17])],[avatar_definition]) ).

thf(f205,plain,
    ( ( sF3 = $false )
    | ~ spl21_17 ),
    inference(avatar_component_clause,[],[f203]) ).

thf(f206,plain,
    ( spl21_15
    | spl21_16
    | spl21_17 ),
    inference(avatar_split_clause,[],[f86,f203,f200,f197]) ).

thf(f223,definition,
    ( spl21_22
  <=> ! [X2: $i,X1: $i] :
        ( ( $true
          = ( in @ X2 @ ( powerset @ X1 ) ) )
        | ( $true
          = ( in @ ( sK15 @ X1 @ X2 ) @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_22])],[avatar_definition]) ).

thf(f224,plain,
    ( ! [X2: $i,X1: $i] :
        ( ( $true
          = ( in @ ( sK15 @ X1 @ X2 ) @ X2 ) )
        | ( $true
          = ( in @ X2 @ ( powerset @ X1 ) ) ) )
    | ~ spl21_22 ),
    inference(avatar_component_clause,[],[f223]) ).

thf(f226,definition,
    ( spl21_23
  <=> ( sF10 = $false ) ),
    introduced(definition,[new_symbols(definition,[spl21_23])],[avatar_definition]) ).

thf(f228,plain,
    ( ( sF10 = $false )
    | ~ spl21_23 ),
    inference(avatar_component_clause,[],[f226]) ).

thf(f229,plain,
    ( spl21_22
    | spl21_23 ),
    inference(avatar_split_clause,[],[f100,f226,f223]) ).

thf(f231,definition,
    ( spl21_24
  <=> ! [X2: $i,X1: $i] :
        ( ( ( in @ ( sK15 @ X1 @ X2 ) @ X1 )
          = $false )
        | ( $true
          = ( in @ X2 @ ( powerset @ X1 ) ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_24])],[avatar_definition]) ).

thf(f232,plain,
    ( ! [X2: $i,X1: $i] :
        ( ( ( in @ ( sK15 @ X1 @ X2 ) @ X1 )
          = $false )
        | ( $true
          = ( in @ X2 @ ( powerset @ X1 ) ) ) )
    | ~ spl21_24 ),
    inference(avatar_component_clause,[],[f231]) ).

thf(f233,plain,
    ( spl21_24
    | spl21_23 ),
    inference(avatar_split_clause,[],[f99,f226,f231]) ).

thf(f238,definition,
    ( spl21_26
  <=> ( $true = sF10 ) ),
    introduced(definition,[new_symbols(definition,[spl21_26])],[avatar_definition]) ).

thf(f240,plain,
    ( ( $true = sF10 )
    | ~ spl21_26 ),
    inference(avatar_component_clause,[],[f238]) ).

thf(f248,definition,
    ( spl21_28
  <=> ( $true = sF9 ) ),
    introduced(definition,[new_symbols(definition,[spl21_28])],[avatar_definition]) ).

thf(f250,plain,
    ( ( $true = sF9 )
    | ~ spl21_28 ),
    inference(avatar_component_clause,[],[f248]) ).

thf(f257,definition,
    ( spl21_30
  <=> ( $true
      = ( in @ sK1 @ sF5 ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_30])],[avatar_definition]) ).

thf(f259,plain,
    ( ( $true
      = ( in @ sK1 @ sF5 ) )
    | ~ spl21_30 ),
    inference(avatar_component_clause,[],[f257]) ).

thf(f261,definition,
    ( spl21_31
  <=> ( $false = sF9 ) ),
    introduced(definition,[new_symbols(definition,[spl21_31])],[avatar_definition]) ).

thf(f263,plain,
    ( ( $false = sF9 )
    | ~ spl21_31 ),
    inference(avatar_component_clause,[],[f261]) ).

thf(f264,plain,
    ( spl21_30
    | spl21_31 ),
    inference(avatar_split_clause,[],[f110,f261,f257]) ).

thf(f266,definition,
    ( spl21_32
  <=> ! [X2: $i,X1: $i,X3: $i] :
        ( ( ( in @ X2 @ ( powerset @ X3 ) )
          = $false )
        | ( ( in @ X1 @ X2 )
          = $false )
        | ( $true
          = ( in @ X1 @ X3 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl21_32])],[avatar_definition]) ).

thf(f267,plain,
    ( ! [X2: $i,X3: $i,X1: $i] :
        ( ( ( in @ X2 @ ( powerset @ X3 ) )
          = $false )
        | ( ( in @ X1 @ X2 )
          = $false )
        | ( $true
          = ( in @ X1 @ X3 ) ) )
    | ~ spl21_32 ),
    inference(avatar_component_clause,[],[f266]) ).

thf(f269,definition,
    ( spl21_33
  <=> ( sF4 = $false ) ),
    introduced(definition,[new_symbols(definition,[spl21_33])],[avatar_definition]) ).

thf(f271,plain,
    ( ( sF4 = $false )
    | ~ spl21_33 ),
    inference(avatar_component_clause,[],[f269]) ).

thf(f272,plain,
    ( spl21_32
    | spl21_33 ),
    inference(avatar_split_clause,[],[f121,f269,f266]) ).

thf(f274,definition,
    ( spl21_34
  <=> ( $true = sF4 ) ),
    introduced(definition,[new_symbols(definition,[spl21_34])],[avatar_definition]) ).

thf(f276,plain,
    ( ( $true = sF4 )
    | ~ spl21_34 ),
    inference(avatar_component_clause,[],[f274]) ).

thf(f292,plain,
    spl21_9,
    inference(avatar_split_clause,[],[f33,f169]) ).

thf(f293,plain,
    spl21_34,
    inference(avatar_split_clause,[],[f35,f274]) ).

thf(f294,plain,
    spl21_8,
    inference(avatar_split_clause,[],[f39,f164]) ).

thf(f295,plain,
    ~ spl21_1,
    inference(avatar_split_clause,[],[f44,f133]) ).

thf(f296,plain,
    spl21_28,
    inference(avatar_split_clause,[],[f47,f248]) ).

thf(f297,plain,
    spl21_26,
    inference(avatar_split_clause,[],[f49,f238]) ).

thf(f300,plain,
    ( ( $true = $false )
    | ~ spl21_23
    | ~ spl21_26 ),
    inference(forward_demodulation,[],[f240,f228]) ).

thf(f301,plain,
    ( $false
    | ~ spl21_23
    | ~ spl21_26 ),
    inference(trivial_inequality_removal,[],[f300]) ).

thf(f302,plain,
    ( ~ spl21_23
    | ~ spl21_26 ),
    inference(avatar_contradiction_clause,[],[f301]) ).

thf(f304,plain,
    ( ( $true = $false )
    | ~ spl21_9
    | ~ spl21_17 ),
    inference(forward_demodulation,[],[f205,f171]) ).

thf(f305,plain,
    ( $false
    | ~ spl21_9
    | ~ spl21_17 ),
    inference(trivial_inequality_removal,[],[f304]) ).

thf(f306,plain,
    ( ~ spl21_9
    | ~ spl21_17 ),
    inference(avatar_contradiction_clause,[],[f305]) ).

thf(f325,plain,
    ( ( $true = $false )
    | ~ spl21_6
    | ~ spl21_8 ),
    inference(forward_demodulation,[],[f157,f166]) ).

thf(f326,plain,
    ( $false
    | ~ spl21_6
    | ~ spl21_8 ),
    inference(trivial_inequality_removal,[],[f325]) ).

thf(f327,plain,
    ( ~ spl21_6
    | ~ spl21_8 ),
    inference(avatar_contradiction_clause,[],[f326]) ).

thf(f347,plain,
    ( ( $true = $false )
    | ~ spl21_33
    | ~ spl21_34 ),
    inference(forward_demodulation,[],[f271,f276]) ).

thf(f348,plain,
    ( $false
    | ~ spl21_33
    | ~ spl21_34 ),
    inference(trivial_inequality_removal,[],[f347]) ).

thf(f349,plain,
    ( ~ spl21_33
    | ~ spl21_34 ),
    inference(avatar_contradiction_clause,[],[f348]) ).

thf(f360,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( $true
          = ( in @ X1 @ sK0 ) )
        | ( $false
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ X1 @ X0 )
          = $false ) )
    | ~ spl21_32 ),
    inference(constrained_superposition,[],[f267,f37]) ).

thf(f376,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( $true = $false )
        | ( $false
          = ( in @ ( sK15 @ sK0 @ X0 ) @ X1 ) )
        | ( $true
          = ( in @ X0 @ ( powerset @ sK0 ) ) )
        | ( ( in @ X1 @ sF5 )
          = $false ) )
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(constrained_superposition,[],[f360,f232]) ).

thf(f379,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( ( in @ X1 @ sF5 )
          = $false )
        | ( $true
          = ( in @ X0 @ ( powerset @ sK0 ) ) )
        | ( $false
          = ( in @ ( sK15 @ sK0 @ X0 ) @ X1 ) ) )
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f376]) ).

thf(f381,plain,
    ( ! [X0: $i,X1: $i] :
        ( ( $false
          = ( in @ ( sK15 @ sK0 @ X0 ) @ X1 ) )
        | ( ( in @ X1 @ sF5 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) ) )
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f379,f37]) ).

thf(f383,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ X0 @ sK2 ) )
        | ( $true
          = ( in @ X0 @ sK1 ) )
        | ( ( in @ X0 @ sF7 )
          = $false ) )
    | ~ spl21_15 ),
    inference(constrained_superposition,[],[f198,f41]) ).

thf(f397,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( ( in @ sK2 @ sF5 )
          = $false )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) )
        | ( $true
          = ( in @ ( sK15 @ sK0 @ X0 ) @ sK1 ) ) )
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(constrained_superposition,[],[f381,f383]) ).

thf(f404,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ ( sK15 @ sK0 @ X0 ) @ sK1 ) )
        | ( $true
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ sK2 @ sF5 )
          = $false )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false ) )
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f397]) ).

thf(f412,plain,
    ( ! [X0: $i] :
        ( ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) )
        | ( $true = $false )
        | ( $true
          = ( in @ ( sK15 @ sK0 @ X0 ) @ sK1 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f404,f153]) ).

thf(f413,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ ( sK15 @ sK0 @ X0 ) @ sK1 ) )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f412]) ).

thf(f419,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( ( in @ sK1 @ sF5 )
          = $false )
        | ( $true = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(constrained_superposition,[],[f381,f413]) ).

thf(f420,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ sK1 @ sF5 )
          = $false )
        | ( $true = $false )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(duplicate_literal_removal,[],[f419]) ).

thf(f421,plain,
    ( ! [X0: $i] :
        ( ( ( in @ sK1 @ sF5 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f420]) ).

thf(f424,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( in @ X0 @ sF5 ) )
        | ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( $true = $false ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f421,f259]) ).

thf(f425,plain,
    ( ! [X0: $i] :
        ( ( ( in @ ( sK15 @ sK0 @ X0 ) @ sF7 )
          = $false )
        | ( $true
          = ( in @ X0 @ sF5 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f424]) ).

thf(f437,plain,
    ( ( $true
      = ( in @ sF7 @ sF5 ) )
    | ( $true = $false )
    | ( $true
      = ( in @ sF7 @ ( powerset @ sK0 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(constrained_superposition,[],[f224,f425]) ).

thf(f439,plain,
    ( ( $true
      = ( in @ sF7 @ sF5 ) )
    | ( $true
      = ( in @ sF7 @ ( powerset @ sK0 ) ) )
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f437]) ).

thf(f443,plain,
    ( ( $true
      = ( in @ sF7 @ ( powerset @ sK0 ) ) )
    | ( $true = $false )
    | ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f439,f139]) ).

thf(f444,plain,
    ( ( $true
      = ( in @ sF7 @ ( powerset @ sK0 ) ) )
    | ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f443]) ).

thf(f448,plain,
    ( ( $true
      = ( in @ sF7 @ sF5 ) )
    | ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f444,f37]) ).

thf(f449,plain,
    ( ( $true = $false )
    | ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(forward_demodulation,[],[f448,f139]) ).

thf(f450,plain,
    ( $false
    | ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(trivial_inequality_removal,[],[f449]) ).

thf(f451,plain,
    ( ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(avatar_contradiction_clause,[],[f450]) ).

thf(f464,plain,
    ( ( $true != $true )
    | spl21_1
    | ~ spl21_16 ),
    inference(constrained_superposition,[],[f134,f201]) ).

thf(f475,plain,
    ( $false
    | spl21_1
    | ~ spl21_16 ),
    inference(trivial_inequality_removal,[],[f464]) ).

thf(f476,plain,
    ( spl21_1
    | ~ spl21_16 ),
    inference(avatar_contradiction_clause,[],[f475]) ).

thf(f486,plain,
    ( ( $true = $false )
    | ~ spl21_28
    | ~ spl21_31 ),
    inference(forward_demodulation,[],[f263,f250]) ).

thf(f487,plain,
    ( $false
    | ~ spl21_28
    | ~ spl21_31 ),
    inference(trivial_inequality_removal,[],[f486]) ).

thf(f488,plain,
    ( ~ spl21_28
    | ~ spl21_31 ),
    inference(avatar_contradiction_clause,[],[f487]) ).

cnf(s1,plain,
    ( spl21_1
    | spl21_2 ),
    inference(sat_conversion,[],[f140]) ).

cnf(s3,plain,
    ( spl21_5
    | spl21_6 ),
    inference(sat_conversion,[],[f158]) ).

cnf(s9,plain,
    ( spl21_15
    | spl21_16
    | spl21_17 ),
    inference(sat_conversion,[],[f206]) ).

cnf(s13,plain,
    ( spl21_22
    | spl21_23 ),
    inference(sat_conversion,[],[f229]) ).

cnf(s14,plain,
    ( spl21_23
    | spl21_24 ),
    inference(sat_conversion,[],[f233]) ).

cnf(s18,plain,
    ( spl21_30
    | spl21_31 ),
    inference(sat_conversion,[],[f264]) ).

cnf(s19,plain,
    ( spl21_32
    | spl21_33 ),
    inference(sat_conversion,[],[f272]) ).

cnf(s23,plain,
    spl21_9,
    inference(sat_conversion,[],[f292]) ).

cnf(s24,plain,
    spl21_34,
    inference(sat_conversion,[],[f293]) ).

cnf(s25,plain,
    spl21_8,
    inference(sat_conversion,[],[f294]) ).

cnf(s26,plain,
    ~ spl21_1,
    inference(sat_conversion,[],[f295]) ).

cnf(s27,plain,
    spl21_28,
    inference(sat_conversion,[],[f296]) ).

cnf(s28,plain,
    spl21_26,
    inference(sat_conversion,[],[f297]) ).

cnf(s30,plain,
    ( ~ spl21_23
    | ~ spl21_26 ),
    inference(sat_conversion,[],[f302]) ).

cnf(s31,plain,
    ( ~ spl21_9
    | ~ spl21_17 ),
    inference(sat_conversion,[],[f306]) ).

cnf(s33,plain,
    ( ~ spl21_6
    | ~ spl21_8 ),
    inference(sat_conversion,[],[f327]) ).

cnf(s35,plain,
    ( ~ spl21_33
    | ~ spl21_34 ),
    inference(sat_conversion,[],[f349]) ).

cnf(s37,plain,
    ( ~ spl21_2
    | ~ spl21_5
    | ~ spl21_15
    | ~ spl21_22
    | ~ spl21_24
    | ~ spl21_30
    | ~ spl21_32 ),
    inference(sat_conversion,[],[f451]) ).

cnf(s39,plain,
    ( spl21_1
    | ~ spl21_16 ),
    inference(sat_conversion,[],[f476]) ).

cnf(s41,plain,
    ( ~ spl21_28
    | ~ spl21_31 ),
    inference(sat_conversion,[],[f488]) ).

cnf(s42,plain,
    ~ spl21_23,
    inference(rat,[],[s30,s28]) ).

cnf(s43,plain,
    ~ spl21_31,
    inference(rat,[],[s41,s27]) ).

cnf(s44,plain,
    ~ spl21_16,
    inference(rat,[],[s39,s26]) ).

cnf(s45,plain,
    ~ spl21_6,
    inference(rat,[],[s33,s25]) ).

cnf(s46,plain,
    ~ spl21_33,
    inference(rat,[],[s35,s24]) ).

cnf(s47,plain,
    ~ spl21_17,
    inference(rat,[],[s31,s23]) ).

cnf(s48,plain,
    spl21_32,
    inference(rat,[],[s19,s46]) ).

cnf(s49,plain,
    spl21_30,
    inference(rat,[],[s18,s43]) ).

cnf(s50,plain,
    spl21_24,
    inference(rat,[],[s14,s42]) ).

cnf(s51,plain,
    spl21_22,
    inference(rat,[],[s13,s42]) ).

cnf(s52,plain,
    spl21_15,
    inference(rat,[],[s9,s47,s44]) ).

cnf(s53,plain,
    spl21_5,
    inference(rat,[],[s3,s45]) ).

cnf(s54,plain,
    ~ spl21_2,
    inference(rat,[],[s37,s48,s49,s50,s51,s52,s53]) ).

cnf(s56,plain,
    $false,
    inference(rat,[],[s1,s54,s26]) ).

thf(f489,plain,
    $false,
    inference(avatar_sat_refutation,[],[s56]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU711^2 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.09/0.19  % Computer : n006.cluster.edu
% 0.09/0.19  % Model    : x86_64 x86_64
% 0.09/0.19  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.19  % Memory   : 8046.5625MB
% 0.09/0.19  % OS       : Linux 6.8.0-71-generic
% 0.09/0.19  % CPULimit : 300
% 0.09/0.19  % WCLimit  : 300
% 0.09/0.19  % DateTime : Tue Sep 29 14:13:09 UTC 2026
% 0.09/0.19  % CPUTime  : 
% 0.09/0.20  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.09/0.23  Running higher-order theorem proving
% 0.09/0.24  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.23/0.30  % (781790)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.23/0.30  % (781798)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=3570434418:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.23/0.30  % (781798)Refutation not found, incomplete strategy
% 0.23/0.30  % (781798)------------------------------
% 0.23/0.30  % (781798)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.30  % (781798)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.30  % (781798)CaDiCaL version: 2.1.3
% 0.23/0.30  % (781798)Termination reason: Refutation not found, incomplete strategy
% 0.23/0.30  % (781798)Time elapsed: 0.004 s
% 0.23/0.30  % (781798)Peak memory usage: 12 MB
% 0.23/0.30  % (781798)Instructions burned: 11 (million)
% 0.23/0.30  % (781798)------------------------------
% 0.23/0.30  % (781798)------------------------------
% 0.23/0.30  % (781795)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=1051716151:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.23/0.30  % (781796)lrs+10_16_si=on:nwc=1.5:random_seed=1298692269:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.23/0.30  % (781799)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=1734420791:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.23/0.30  % (781797)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=3999086816:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.23/0.30  % (781797)Refutation not found, incomplete strategy
% 0.23/0.30  % (781797)------------------------------
% 0.23/0.30  % (781797)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.30  % (781797)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.30  % (781797)CaDiCaL version: 2.1.3
% 0.23/0.30  % (781797)Termination reason: Refutation not found, incomplete strategy
% 0.23/0.30  % (781797)Time elapsed: 0.003 s
% 0.23/0.30  % (781797)Peak memory usage: 12 MB
% 0.23/0.30  % (781797)Instructions burned: 3 (million)
% 0.23/0.30  % (781801)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.23/0.30  % (781801)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 0.23/0.30  % (781803)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=835966891:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 0.23/0.30  % (781797)------------------------------
% 0.23/0.30  % (781797)------------------------------
% 0.23/0.30  % (781803)Instruction limit reached! 
% 0.23/0.30  % (781803)------------------------------
% 0.23/0.30  % (781803)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.30  % (781803)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.30  % (781803)CaDiCaL version: 2.1.3
% 0.23/0.30  % (781803)Termination reason: Instruction limit
% 0.23/0.30  % (781803)Termination phase: Saturation
% 0.23/0.30  % (781803)Time elapsed: 0.001 s
% 0.23/0.30  % (781803)Peak memory usage: 12 MB
% 0.23/0.30  % (781803)Instructions burned: 3 (million)
% 0.23/0.30  % (781796)Instruction limit reached! 
% 0.23/0.30  % (781796)------------------------------
% 0.23/0.30  % (781796)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.30  % (781796)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.30  % (781796)CaDiCaL version: 2.1.3
% 0.23/0.30  % (781796)Termination reason: Instruction limit
% 0.23/0.30  % (781796)Termination phase: Saturation
% 0.23/0.30  % (781796)Time elapsed: 0.011 s
% 0.23/0.30  % (781796)Peak memory usage: 12 MB
% 0.23/0.30  % (781796)Instructions burned: 19 (million)
% 0.23/0.30  % (781801)dis+1002_8_to=kbo:sil=128000:tgt=full:drc=off:si=on:sp=const_max:lma=off:spb=non_intro:cbe=off:uwa=interpreted_only:random_seed=1888135041:hsqr=1,8:i=157:s2at=5:add=on:nm=2:rtra=on_2999 on theBenchmark for (2999ds/157Mi)
% 0.23/0.30  % (781799)Instruction limit reached! 
% 0.23/0.30  % (781799)------------------------------
% 0.23/0.30  % (781799)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.30  % (781799)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.30  % (781799)CaDiCaL version: 2.1.3
% 0.23/0.30  % (781799)Termination reason: Instruction limit
% 0.23/0.30  % (781799)Termination phase: Saturation
% 0.23/0.30  % (781799)Time elapsed: 0.013 s
% 0.23/0.30  % (781799)Peak memory usage: 12 MB
% 0.23/0.30  % (781799)Instructions burned: 25 (million)
% 0.23/0.30  % (781800)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=2932737910:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.23/0.30  % (781801) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-781790-781801"...
% 0.23/0.30  % (781801)...printing done.
% 0.23/0.30  % (781801)Refutation found. Thanks to Tanya!
% 0.23/0.30  % SZS status Theorem for theBenchmark
% 0.23/0.30  % SZS output start Proof for theBenchmark
% See solution above
% 0.23/0.31  % (781801)------------------------------
% 0.23/0.31  % (781801)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.23/0.31  % (781801)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.23/0.31  % (781801)CaDiCaL version: 2.1.3
% 0.23/0.31  % (781801)Termination reason: Refutation
% 0.23/0.31  % (781801)Time elapsed: 0.009 s
% 0.23/0.31  % (781801)Peak memory usage: 13 MB
% 0.23/0.31  % (781801)Instructions burned: 27 (million)
% 0.23/0.31  % (781790)Success in time 0.053 s
% 0.23/0.31  % Vampire exiting
%------------------------------------------------------------------------------